On the use of LES-based turbulent thermal-stress models for rod bundle simulations

•Novel approach to model turbulent thermal stresses in highly symmetrical geometries.•Application to triangular array rod bundles.•Full-height LES performed for the present project and presented for comparison.•Results are superior to available RANS and vastly cheaper than full scale LES.•Further sp...

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Veröffentlicht in:	International journal of heat and mass transfer 2019-10, Vol.142 (C), p.118399, Article 118399
Hauptverfasser:	Martínez, Javier, Lan, Yu-Hsiang, Merzari, Elia, Min, Misun
Format:	Artikel
Sprache:	eng
Schlagworte:	Computational fluid dynamics Computer simulation ENGINEERING Heat distribution Heat flux Induction heating Large eddy simulation LES Nek5000 Rod bundle Simulation Temperature distribution Thermal diffusivity Turbulence
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